DrJack's BLIPSPOT for: THU 12/18 Atkins_VA 2558ft pt29724@36.958,-81.342,2720ft SPONSORED BY: Randy Newberry BLIPSPOT sfc.temp. adjusted by -0.5 degF RUC - Last Analysis,Validation Time = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 50.7 - - 50.8 - - 47.7 Temp@2m Sfc.Heating - - - - - - 40 - - -15 - - -13 Sfc.Heating BL Depth - - - - - - 258 - - 258 - - 258 BL Depth Hcrit - - - - - - 2799 - - 2799 - - 2799 Hcrit BL Top - - - - - - 2816 - - 2816 - - 2816 BL Top Hgt.Variab. - - - - - - 2190 - - 1701 - - 886 Hgt.Variab. W* - - - - - - 91 - - 30 - - 0 W* B/S - - - - - - 2 - - 1 - - 0 B/S BL Wind - - - - - - 10 - - 10 - - 5 BL Wind Direction - - - - - - 177 - - 168 - - 147 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 3 - - 3 - - 1 Max.Converg CLOUDpotent - - - - - - -774 - - -360 - - 1 CLOUDpotentl sfcLCL - - - - - - 3590 - - 3176 - - 2816 sfcLCL ODpotential - - - - - - -1481 - - -3176 - - -3223 ODpotential blCL - - - - - - 4297 - - 5992 - - 6039 blCL maxRH - - - - - - 100 - - 100 - - 100 maxRH CAPE - - - - - - 20 - - 10 - - 70 CAPE Temp@2m - - - - - - 50.7 - - 50.8 - - 47.7 Temp@2m DewPt@2m - - - - - - 44.7 - - 46.6 - - 47.0 DewPt@2m Temp@Bot - - - - - - 50.0 - - 50.9 - - 48.1 Temp@Bot DewPt@Bot - - - - - - 44.5 - - 46.4 - - 47.4 DewPt@bot Sfc.Heating - - - - - - 40 - - -15 - - -13 Sfc.Heating BL Depth - - - - - - 258 - - 258 - - 258 BL Depth EXPERIMENT - - - - - - 101 - - 101 - - 100 EXPERIMENT EXPERIMENT2 - - - - - - 7 - - 7 - - 8 EXPERIMENT2 PROFILES OF WIND SPEED [kt] AND DIRECTION [degTrue] ----------------------------------- VALIDATION TIME --------------------------------------- Height 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z [ft] ------------------------------------------------------------------------------------------- [ft] 96365 37 263 26 274 14 306 96365 89379 14 257 14 258 11 263 89379 83941 13 242 10 230 16 271 83941 79342 12 219 18 226 21 253 79342 75346 12 222 22 215 22 238 75346 71827 9 246 17 218 22 234 71827 68646 16 267 20 251 18 249 68646 65699 21 249 28 263 21 249 65699 62949 29 248 34 251 32 251 62949 60301 40 239 36 247 42 252 60301 57574 44 228 39 236 48 247 57574 54746 42 237 45 234 54 241 54746 52033 56 238 55 235 66 230 52033 49584 56 233 63 233 67 224 49584 47364 52 249 66 242 70 238 47364 45330 63 255 79 244 91 244 45330 43464 75 249 85 238 89 238 43464 41747 76 238 86 232 90 232 41747 40156 86 235 84 233 88 229 40156 38670 95 232 85 231 89 227 38670 37282 106 229 91 226 86 223 37282 35956 105 228 98 224 91 220 35956 34622 101 226 102 223 95 220 34622 33251 100 222 106 220 92 219 33251 31845 95 223 106 218 91 214 31845 30391 83 224 101 216 92 213 30391 28876 75 225 86 221 92 213 28876 27296 60 228 80 223 92 214 27296 25653 54 238 71 223 79 221 25653 23953 44 230 64 220 63 230 23953 22197 36 221 57 220 46 235 22197 20377 37 199 50 226 41 236 20377 18488 37 177 46 226 43 230 18488 16572 36 175 44 216 43 219 16572 14732 35 177 41 208 40 211 14732 13064 33 189 42 206 39 213 13064 11577 35 202 42 202 43 213 11577 10250 39 205 43 196 47 207 10250 9061 43 199 46 190 51 197 9061 7998 47 192 49 183 54 188 7998 7052 49 188 50 180 56 182 7052 6213 47 185 50 180 55 176 6213 5468 43 183 48 181 52 172 5468 4799 37 181 45 181 48 169 4799 4206 29 180 40 179 41 166 4206 3710 23 179 31 175 32 164 3710 3329 20 178 25 173 22 161 3329 3067 18 177 21 171 16 158 3067 2907 15*177 17*170 11*155 2907 2816 10*177 10*168 5*147 2816 PARAMETER KEY: (basic parameter information is provided at http://www.drjack.info/BLIP/INFO/basic_parameters.html) (more complete parameter descriptions are at http://www.drjack.info/BLIP/RUC/INFO/parameters.html) (additional help is at http://www.drjack.info/BLIP/INFO/index.html, e.g. "For NEW USERS" section) --------------------------------------------------------------------------------------------------- Update Time = UTC Time of BLIPSPOT calculation FCST PERIOD = Hours from model initialization time Temp@2m = Temperature at 2m AGL [F] Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] Hcrit = Height of Critical Updraft Strength [ftMSL] BL Top = Height of Boundary Layer Top (TI=0 height) [ftMSL] Hgt.Variab = Thermal Height Variability (difference between TI=+4{F} & TI=0 Heights) [ft] W* = Thermal Updraft Velocity (subtract glider sink rate to get vario) [fpm] B/S = Buoyancy/Shear Ratio (thermals may be unworkable if 5 or less) BL Wind = Wind Speed averaged through BL [kt] Direction = Wind Direction averaged through BL [degTrue] Max.Converg = Max. Vertical Velocity created by BL Convergence [x10^-2 kt] (note: BLIPMAPs provide better evaluation since convergence lines are usually mobile CLOUDpotent = Expect clouds at or above sfcLCL if positive (difference between H(TI=0) & sfcLCL) [ft] sfcLCL = Base of Lowest Clouds, if CLOUDpotent>0 (LCL = Lifting Condensation Level based upon sfc. humidity) [ftMSL] ODpotential = Expect extensive clouds at blCL if positive (difference between H(TI=0) & blCL) [ft] bLCL = Base of Extensive Clouds, if ODpotential>0 (bl CL = Condensation Level based upon BL humidity) [ftMSL] maxRH = Maximum Relative Humidity in BL [%] CAPE = Convective Available Potential Energy [J/kg] Temp@2m = Temperature at 2m AGL [F] DewPt@2m = Dew Point Temp. at 2m AGL [F] Temp@Bot = Temperature at 16m AGL (bottom of grid) [F] (intended for DrJack's use) DewPt@Bot = Dew Point Temp. at 16m AGL (bottom of grid) [F] (intended for DrJack's use) Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] EXPERIMENT = Mystery variable for test purposes (intended for DrJack's use) * = Indicates BL Top (TI=0 Height) on profiles Note: printed heights are for 18Z - heights for other times differ slightly Results neglect thermals created by small-scale features not resolved by the smoothed model topography